DE69919771D1 - Vacuum insulated switchgear - Google Patents

Vacuum insulated switchgear

Info

Publication number
DE69919771D1
DE69919771D1 DE69919771T DE69919771T DE69919771D1 DE 69919771 D1 DE69919771 D1 DE 69919771D1 DE 69919771 T DE69919771 T DE 69919771T DE 69919771 T DE69919771 T DE 69919771T DE 69919771 D1 DE69919771 D1 DE 69919771D1
Authority
DE
Germany
Prior art keywords
insulated switchgear
vacuum insulated
vacuum
switchgear
insulated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69919771T
Other languages
German (de)
Other versions
DE69919771T2 (en
Inventor
Ayumu Morita
Kenichi Natsui
Toru Tanimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE69919771D1 publication Critical patent/DE69919771D1/en
Application granted granted Critical
Publication of DE69919771T2 publication Critical patent/DE69919771T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/668—Means for obtaining or monitoring the vacuum
DE69919771T 1998-03-19 1999-02-24 Vacuum-insulated switchgear Expired - Lifetime DE69919771T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6976598 1998-03-19
JP6976598 1998-03-19

Publications (2)

Publication Number Publication Date
DE69919771D1 true DE69919771D1 (en) 2004-10-07
DE69919771T2 DE69919771T2 (en) 2005-09-22

Family

ID=13412233

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69919771T Expired - Lifetime DE69919771T2 (en) 1998-03-19 1999-02-24 Vacuum-insulated switchgear

Country Status (8)

Country Link
US (1) US6153846A (en)
EP (1) EP0944105B1 (en)
JP (1) JP3840872B2 (en)
KR (1) KR100546032B1 (en)
CN (2) CN1308983C (en)
DE (1) DE69919771T2 (en)
HK (1) HK1071471A1 (en)
TW (1) TW405135B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3930208B2 (en) * 1999-10-07 2007-06-13 株式会社日立製作所 Vacuum insulated switchgear
JP3577247B2 (en) * 1999-11-10 2004-10-13 三菱電機株式会社 Switchgear
JP3788148B2 (en) 1999-12-16 2006-06-21 株式会社日立製作所 Vacuum switch and operation method thereof
KR100548175B1 (en) * 2002-04-12 2006-01-31 미쓰비시덴키 가부시키가이샤 Vacuum valve
JP4403782B2 (en) * 2003-11-17 2010-01-27 株式会社日立製作所 Vacuum switchgear
DE102004053612A1 (en) * 2004-11-02 2006-05-04 Siemens Ag Monitoring method for a limited by relatively movable contact pieces separation distance of an electrical switching device and associated apparatus for carrying out the monitoring method
US7499255B2 (en) * 2006-01-31 2009-03-03 Thomas & Betts International, Inc. Vacuum-type electrical switching apparatus
EP1858044B1 (en) * 2006-05-15 2014-04-02 Hitachi, Ltd. Switchgear
JP4492610B2 (en) * 2006-12-28 2010-06-30 株式会社日立製作所 Circuit breaker and its switching method
US7906971B2 (en) * 2008-10-14 2011-03-15 Itt Manufacturing Enterprises, Inc. Molecular shield for an ionizaton vacuum gauge
JP5222230B2 (en) * 2009-05-29 2013-06-26 株式会社日立製作所 Vacuum circuit breaker pressure diagnostic device
KR101238643B1 (en) * 2009-06-25 2013-02-28 엘에스산전 주식회사 Vacuum interrupter of vacuum circuit breaker and method for detecting the degree of vacuum in the same
TWI485736B (en) 2010-03-25 2015-05-21 Hitachi Ltd Vacuum switch and vacuum insulated switchgear
FR2968827B1 (en) * 2010-12-09 2012-12-21 Schneider Electric Ind Sas DEVICE FOR DETECTING VACUUM LOSS IN A VACUUM CUTTING APPARATUS AND VACUUM CUTTING APPARATUS COMPRISING SUCH A DEVICE
US8497446B1 (en) * 2011-01-24 2013-07-30 Michael David Glaser Encapsulated vacuum interrupter with grounded end cup and drive rod
AU2011371061B2 (en) * 2011-06-17 2014-12-04 Mitsubishi Electric Corporation Tank-shaped vacuum circuit breaker
US9031795B1 (en) * 2011-12-13 2015-05-12 Finley Lee Ledbetter Electromagnetic test device to predict a usable life of a vacuum interrupter in the field
US20140247232A1 (en) 2013-03-01 2014-09-04 Tobii Technology Ab Two step gaze interaction
CN103367025A (en) * 2013-06-17 2013-10-23 北海银河产业投资股份有限公司 Vacuum arc extinguishing chamber
CN103646819B (en) * 2013-12-13 2015-07-29 成都旭顺电子有限责任公司 A kind of vacuum degree of vacuum switch on-line monitoring system
DE102014205319A1 (en) * 2014-03-21 2015-09-24 Siemens Aktiengesellschaft Vacuum interrupter, vacuum switch and method for determining the quality of vacuum in a vacuum interrupter
FR3023650B1 (en) * 2014-07-10 2016-08-19 Alstom Technology Ltd VACUUM INSULATED SWITCH AUTHORIZING VACUUM TEST, SWITCH ASSEMBLY, AND TESTING METHOD
EP3244433A1 (en) 2016-05-10 2017-11-15 ABB Schweiz AG Vacuum interrupter with means for determining the residual gas pressure and method of determining the same
CN110824202B (en) * 2019-11-08 2022-04-15 许继集团有限公司 Withstand voltage detection device of vacuum circuit breaker
CN114078653A (en) * 2020-08-11 2022-02-22 南京南瑞继保电气有限公司 Solid-sealed polar pole of tubular capacitor
CN115342965A (en) * 2022-09-21 2022-11-15 内蒙古工业大学 Capacitance type gas pressure sensor structure

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594754A (en) * 1968-01-26 1971-07-20 Westinghouse Electric Corp Pressure measurement arrangements for a vacuum-type circuit interrupter
DE2002685A1 (en) * 1969-07-30 1971-03-25 Inst Prueffeld Fuer Elek Sche Method and device for checking the gas pressure in vacuum interrupter chambers
US4163130A (en) * 1975-07-25 1979-07-31 Hitachi, Ltd. Vacuum interrupter with pressure monitoring means
US4103291A (en) * 1976-09-30 1978-07-25 Howe Francis M Leak sensor and indicating system for vacuum circuit interrupters
DE3174794D1 (en) * 1980-03-24 1986-07-17 Meidensha Electric Mfg Co Ltd Vacuum circuit interrupter system
JPS58106431A (en) * 1981-12-21 1983-06-24 Meidensha Electric Mfg Co Ltd Inspecting device for degree of vacuum of vacuum breaker
DE3347176A1 (en) * 1983-12-27 1985-07-04 Siemens AG, 1000 Berlin und 8000 München DEVICE FOR MEASURING THE INTERNAL PRESSURE OF A VACUUM SWITCH BUILT INTO OPERATION
GB8708354D0 (en) * 1987-04-08 1987-05-13 Vacuum Interrupters Ltd Pressure measuring method
DE3743868A1 (en) * 1987-09-30 1989-07-06 Siemens Ag METHOD AND DEVICE FOR DETECTING VACUUM IN VACUUM SWITCHING TUBES
JP3168751B2 (en) * 1992-04-02 2001-05-21 富士電機株式会社 Method and apparatus for detecting vacuum leak of vacuum valve
US5533382A (en) * 1995-06-06 1996-07-09 Wire Technologies, Inc. Abrasion tester
JP2948154B2 (en) * 1995-09-27 1999-09-13 株式会社日立製作所 Insulated switchgear
TW389919B (en) * 1995-09-27 2000-05-11 Hitachi Ltd Insulated type switching device

Also Published As

Publication number Publication date
EP0944105B1 (en) 2004-09-01
CN1159741C (en) 2004-07-28
JP3840872B2 (en) 2006-11-01
KR19990078001A (en) 1999-10-25
CN1230004A (en) 1999-09-29
KR100546032B1 (en) 2006-01-24
TW405135B (en) 2000-09-11
HK1071471A1 (en) 2005-07-15
CN1555077A (en) 2004-12-15
EP0944105A1 (en) 1999-09-22
JP2000306473A (en) 2000-11-02
US6153846A (en) 2000-11-28
CN1308983C (en) 2007-04-04
DE69919771T2 (en) 2005-09-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition